public T Convert(ResolutionContext context)
{
if (context.SourceValue == null)
{
return(null);
}
T result = (T)BaseTypeSafeEnum.Parse((string)context.SourceValue, context.DestinationType);
return(result);
}
private static Func <string, object> GetParseFunction(Type typeToParseTo)
{
if (typeof(BaseTypeSafeEnum).IsAssignableFrom(typeToParseTo))
{
return(s => BaseTypeSafeEnum.Parse(s, typeToParseTo));
}
Type nullableUnderlying = Nullable.GetUnderlyingType(typeToParseTo);
if (nullableUnderlying != null)
{
Func <string, object> func = GetParseFunction(nullableUnderlying);
return(s => TryConvert(s, func));
}
MethodInvoker methodDelegate = typeToParseTo.DelegateForCallMethod("Parse", typeof(string));
return(s => UnwrapInvokeExceptionOfStaticMethod(methodDelegate, new object[] { s }));
}
public bool BindModel(HttpActionContext actionContext, ModelBindingContext bindingContext)
{
if (!typeof(BaseTypeSafeEnum).IsAssignableFrom(bindingContext.ModelType))
{
return(false);
}
ValueProviderResult value = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);
if (value == null || string.IsNullOrEmpty(value.AttemptedValue))
{
return(false);
}
object model;
if (!BaseTypeSafeEnum.TryParse(value.AttemptedValue, bindingContext.ModelType, out model))
{
return(false);
}
bindingContext.Model = model;
return(true);
}